China Inch Hexagon Thick Nuts With Washer Faced Manufacturer, Supplier, Factory

Discover the exceptional performance of inch hexagon thick nuts with washer faced design, engineered for superior load distribution and vibration resistance in critical applications. Our premium fasteners ensure reliable performance alongside complementary products like Hexagon Extra Flat Nuts With Fine Pitch Thread for low-clearance assemblies, Hexagon Nut For Pressure Vessel Flange specialized for high-integrity sealing systems, and High Pressure Hexagon Nuts designed to withstand extreme operational stresses. Crafted from high-grade materials, these nuts feature a washer-faced base that eliminates the need for separate washers, reduces surface pressure, and prevents loosening under dynamic loads. They are ideal for construction, heavy machinery, and industrial equipment where stability and durability are paramount.


The Inch Hexagon Thick Nuts With Washer Faced design incorporates precise engineering to meet rigorous international standards, including ASTM and DIN specifications. Key parameters include:

  • Material: Carbon steel, alloy steel, or stainless steel with optional coatings like zinc plating or hot-dip galvanizing for corrosion resistance
  • Thread Type: Unified inch threads (UNC/UNF) or metric fine threads, ensuring compatibility with various bolt systems
  • Washer Face Diameter: Typically 1.5 times the nut width, providing enhanced bearing surface and load distribution
  • Thickness: Extra-thick design for increased strength and reduced risk of stripping under high torque
Size (Inch) Across Flats (mm) Thickness (mm) Washer Face Dia (mm) Proof Load (MPa)
1/2 21 14 32 830
5/8 27 18 41 795
3/4 32 21 48 760
1 41 28 62 725

These nuts undergo strict quality checks, including dimensional accuracy, hardness testing, and torque resistance evaluations, to guarantee performance in demanding environments such as structural steelwork, automotive assemblies, and marine applications.

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